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Finding the Fourth Proportional to 295,793.56, 443,512.75 and 135,668.92

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Solution

The fourth proportional to 295,793.56, 443,512.75 and 135,668.92 is: 203,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,793.56 : 443,512.75 = 135,668.92 : x
  2. Step 2: Convert to fraction form
    295,793.56/443,512.75 = 135,668.92/x
  3. Step 3: Cross multiply
    295,793.56x = 443,512.75 × 135,668.92
  4. Step 4: Simplify right side
    295,793.56x = 60,170,893,750.75
  5. Step 5: Solve for x
    x = 60,170,893,750.75/295,793.56
  6. Step 6: Final answer
    x = 203,421.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.